Earlier quoted context omitted.
So you are saying that Intellij and IDE/completion make people smarter and more capable rather than a bit faster? Do you have any source for this very surprising claim?
You need supporting data that using high quality tools to ship next-level product will, in fact, upskill you as a developer? Can you list any alternate ways that one upskills?
And yes to convince me of that I need supporting data.
> Can you list any alternate ways that one upskills?
Studying, not installing stuff.